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. 2018 Jan 16;8(1):10. doi: 10.3390/diagnostics8010010

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Heartbeat (QRS complex) detection over Records 117, 200, and 203 of the MIT-BIH Arrhythmia Database. (a) raw ECG signal (b) compressed ECG signal using Method III (c) compressed ECG signal using Method III. Record 117 contains regular beats with large T waves, Record 200 contains irregular beats (specifically premature ventricular contractions), and Record 203 contains severe baseline drift and noise. The y-axis represents manipulated signal amplitudes. Here, the red + represents the annotated R peak based on the MIT-BIH Arrhythmia Database while the green * represents the detected R peak using the two-event-related-moving-average(TERMA)-based QRS detector.